Scale 1:48. Plan shows the longitudinal half breadth, sheer lines and body plan design drawing for a unnamed 250ft Proposed Royal Yacht (1868). The bow decoration is present on the sheer lines and the body plan. The title of the plan is "A Design prepared for building a Royal Yacht of 450 Horses Power". Written on the reverse in red ink are the words "Sheer Drawing of New Royal Yacht, cancelled an account of the side lights being too high".